Rochelle owns a number of Donpan and she trains then to sniff out amberite so she can sell it so that it can eventually be turned into jewelery.
Amongst Rochelle's Donphan there is a young Donphan which can be identified with it short tusks. The young Donphan was currently being trained by Rochelle to sniff out sources of amberite efficiently.
Team Rocket steal the young Donphan in hope that it could help track down some Amberite so that they could make money from it. However, Team Rocket's plan backfired quickly backfired due to the young Donphan's inexperience in locating the amberite. In an attempt to help the Donphan locate some amberite for them Team Rocket made the young Donphan happy by giving it some food.
The young Donphan was eventually found and recovered by Rochelle, her Donphan and Ash.